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  2. Effect of spaceflight on the human body - Wikipedia

    en.wikipedia.org/wiki/Effect_of_spaceflight_on...

    American astronaut Marsha Ivins demonstrates the effects of microgravity on her hair in space. The effects of spaceflight on the human body are complex and largely harmful over both short and long term. [1] Significant adverse effects of long-term weightlessness include muscle atrophy and deterioration of the skeleton (spaceflight osteopenia). [2]

  3. List of spaceflight-related accidents and incidents - Wikipedia

    en.wikipedia.org/wiki/List_of_spaceflight...

    [1] [2] Astronauts have also died while training for space missions, such as the Apollo 1 launch pad fire that killed an entire crew of three. There have also been some non-astronaut fatalities during spaceflight-related activities. As of 2024, there have been over 188 fatalities in incidents regarding spaceflight.

  4. Extravehicular activity - Wikipedia

    en.wikipedia.org/wiki/Extravehicular_activity

    At the end of his space walk, the suit stiffening caused a more serious problem: Leonov had to re-enter the capsule through the inflatable cloth airlock, 1.2 m (3 ft 11 in) in diameter and 2.5 m (8 ft 2 in) long. He improperly entered the airlock head-first and got stuck sideways.

  5. 3 questions for astronauts in space on the health impacts of ...

    www.aol.com/lifestyle/3-questions-astronauts...

    Yahoo Life asked astronauts Jasmin Moghbeli and Andreas Mogensen — who are currently living and working on the International Space Station — about some of the health challenges of space.

  6. What happens if an astronaut floats off into space? - AOL

    www.aol.com/news/2018-02-08-what-happens-if-an...

    If that fails, saving an astronaut floating off into space might require several tethers hooked together, a SAFER, and, to be honest, a lot of luck. RELATED: Here's whats happening in space this year:

  7. Illness and injuries during spaceflight - Wikipedia

    en.wikipedia.org/wiki/Illness_and_injuries...

    In a few cases, astronauts were brought back to Earth due to episodes of renal colic and arrhythmia, shortening their stays in space and possibly ending their missions. [ 2 ] People who are exposed to harsh environments have suffered medical conditions that could be considered as analogs of the space environment .

  8. What Happened to Apollo 13? Inside the Near-Fatal 1970 NASA ...

    www.aol.com/lifestyle/happened-apollo-13-inside...

    Apollo 13 was slated to be the third landing on the moon after Apollo 8 (1968) and Apollo 12 (1969). Launched on April 11, 1970, the crew was led by commander Lovell, along with command module ...

  9. Effects of ionizing radiation in spaceflight - Wikipedia

    en.wikipedia.org/wiki/Effects_of_ionizing...

    Astronauts are exposed to approximately 72 millisieverts (mSv) while on six-month-duration missions to the International Space Station (ISS). Longer 3-year missions to Mars, however, have the potential to expose astronauts to radiation in excess of 1,000 mSv.